CN219241131U - Rotary stair assembly type design structure with high safety coefficient - Google Patents

Abstract

The utility model discloses a rotary stair assembly type design structure with high safety coefficient, belonging to the technical field of rotary stairs, comprising: the main column is of a cylindrical structure, and the upper end and the lower end of the main column are respectively and fixedly arranged on the wall top base layer and the ground base layer; the fixing ring is fixedly arranged on the wall top base layer and is positioned around the main column; one end of each pedal is clamped on the main column, and the pedals ascend in a spiral gradient along the main column; according to the utility model, the main column is fixedly installed as an integral structural support, and one end of the pedal is clamped on the main column, and the other end of the pedal is hung on the fixed ring through the steel cable, so that the installation of the rotary stair can be completed, the steel cable forms a safety structure, and the steel cable can slide along the fixed ring, thereby being convenient for adjusting the position of the steel cable, greatly improving the flexibility of the installation of the rotary stair and having high installation efficiency.

Description

Rotary stair assembly type design structure with high safety coefficient

Technical Field

The utility model belongs to the technical field of rotary stairways, and particularly relates to a rotary stairway assembly type design structure with high safety coefficient.

Background

The rotating stairway is commonly referred to as a spiral or helical stairway, and is typically arranged around a single column. The streamline shape is attractive and elegant, and the space is saved, so that the streamline shape is popular.

Chinese patent (CN 202021808913.3) discloses an assembled concrete spiral stairway, which comprises: the rotary stair is filled with the middle shaft column structure and the plurality of stair step structures, the rotary stair is filled with the middle shaft column reinforcement cage, the end parts of the stair step structures are provided with lap joint structures, the plurality of stair step structures are overlapped upwards in a first-order mode through the respective lap joint structures and staggered in sequence along the horizontal circumferential direction, the plurality of stair step structures form a multi-section step structure layer, the rest platform, the middle shaft column reinforcement cage and the stair step structures are standardized modular prefabricated members, and the rest platform and the stair step structures are high-performance concrete structures.

Chinese patent (CN 202120232102.1) discloses an assembled rotary stair, including vertical setting in subaerial stand and perpendicular to stand length direction's footboard that sets up, the circumference equidistance of footboard along the stand distributes and has a plurality ofly, and along stand length direction's distance between the adjacent footboard equals, and the one end that the stand was kept away from to the footboard is equipped with the connecting rope, and the one end that the footboard was kept away from to the connecting rope is connected with house subject's ceiling, and the connecting rope is in the state of stretching.

At present, the rotary stair installed along the upright post is required to be independently provided with the protective piece after the pedal is installed, and the protective piece is generally fixedly installed, so that the installation flexibility of the rotary stair is poor, and the assembly efficiency of the rotary stair is low.

Disclosure of Invention

The utility model aims at: in order to solve the problems that the rotary stair installed along the upright post is required to be independently provided with the protective piece after the pedal is installed, and the protective piece is generally fixedly installed, so that the installation flexibility of the rotary stair is poor and the assembly efficiency is low, the rotary stair assembly type design structure with high safety coefficient is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a high safety factor rotary stair assembly design structure, comprising:

the main column is of a cylindrical structure, and the upper end and the lower end of the main column are respectively and fixedly arranged on the wall top base layer and the ground base layer;

the fixing ring is fixedly arranged on the wall top base layer and is positioned around the main column;

one end of each pedal is clamped on the main column, and the pedals ascend in a spiral gradient along the main column;

the upper ends of the steel cables are connected to the fixed ring in a sliding manner, the other ends of the steel cables are connected with the other ends of the pedals, and the steel cables correspond to the pedals one by one.

As a further description of the above technical solution:

the main column is provided with a plurality of annular grooves, the pedal is provided with clamping grooves, and the clamping grooves are clamped into the annular grooves.

As a further description of the above technical solution:

the pedal is in threaded connection with a fixing bolt, and the fixing bolt is in threaded connection with the main column.

As a further description of the above technical solution:

the fixed ring is provided with a chute, the upper end of the steel cable is fixedly connected with a stop block, and the stop block is slidably connected in the chute.

As a further description of the above technical solution:

the other end of the pedal is provided with a clearance groove, the steel cable is clamped into the clearance groove, the lower end of the steel cable is connected with a stop piece in a threaded mode, and the stop piece abuts against the bottom surface of the pedal.

As a further description of the above technical solution:

and the steel cable is in threaded connection with a limiting piece, and the limiting piece abuts against the top surface of the pedal.

As a further description of the above technical solution:

the axis of the fixed ring coincides with the axis of the main column.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

according to the utility model, the main column is fixedly installed as an integral structural support, one end of the pedal is clamped on the main column, the other end of the pedal is hung on the fixed ring through the steel cable, so that the installation of the rotary stair can be completed, the steel cable forms a safety structure, and the steel cable can slide along the fixed ring, thereby being convenient for adjusting the position of the steel cable, greatly improving the flexibility of the installation of the rotary stair and having high installation efficiency.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a high safety factor rotary stair assembly design structure.

Fig. 2 is a partial enlarged view of a portion a in fig. 1.

Fig. 3 is an exploded view of a high safety factor rotary stair assembly design.

Fig. 4 is a schematic diagram of the whole structure of the assembled design structure of the rotary stair with high safety coefficient.

Fig. 5 is a cross-sectional view of a high safety factor rotary stair assembly design.

Fig. 6 is a partial enlarged view of a portion B in fig. 5.

Fig. 7 is a schematic structural view of a tread in a high safety factor stair-rotating assembly design.

Legend description:

1. a main column; 2. a wall top substrate; 3. a ground base layer; 4. a fixing ring; 5. a pedal; 6. a wire rope; 7. an annular groove; 8. a clamping groove; 9. a fixing bolt; 10. a chute; 11. a stop block; 12. an empty-avoiding groove; 13. a stopper; 14. and a limiting piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In describing embodiments of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "inner", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-7, the present utility model provides a technical solution: a high safety factor rotary stair assembly design structure comprising:

the main column 1 is of a cylindrical structure, and the upper end and the lower end of the main column 1 are respectively and fixedly arranged on the wall top base layer 2 and the ground base layer 3;

the fixing ring 4 is fixedly arranged on the wall top base layer 2, and the fixing ring 4 is positioned around the main column 1;

one end of each pedal 5 is clamped on the main column 1, and the pedals 5 ascend in a spiral gradient along the main column 1;

the upper ends of the steel cables 6 are slidably connected to the fixed ring 4, the other ends of the steel cables 6 are connected with the other ends of the pedals 5, and the steel cables 6 are in one-to-one correspondence with the pedals 5;

the main column 1 is provided with a plurality of annular grooves 7, the pedal 5 is provided with clamping grooves 8, and the clamping grooves 8 are clamped into the annular grooves 7, so that the pedal 5 can be quickly installed;

the pedal 5 is in threaded connection with a fixed bolt 9, and the fixed bolt 9 is in threaded connection with the main column 1, so that the degree of freedom of the pedal 5 is conveniently and rapidly limited;

the fixed ring 4 is provided with a chute 10, the upper end of the steel cable 6 is fixedly connected with a stop block 11, and the stop block 11 is slidably connected in the chute 10, so that the position of the steel cable 6 is convenient to adjust, and the installation flexibility is greatly improved;

the other end of the pedal 5 is provided with a clearance groove 12, the steel cable 6 is clamped into the clearance groove 12, the lower end of the steel cable 6 is in threaded connection with a stop piece 13, and the stop piece 13 abuts against the bottom surface of the pedal 5; the steel cable 6 is in threaded connection with a limiting piece 14, and the limiting piece 14 abuts against the top surface of the pedal 5, so that connection between the steel cable 6 and the pedal 5 is facilitated;

the axis of the fixing ring 4 coincides with the axis of the main column 1, so that the structural installation uniformity is ensured.

Working principle: firstly, when in installation, the main column 1 is fixedly installed on the wall top base layer 2 and the ground base layer 3, the fixing ring 4 is fixedly installed on the wall top base layer 2, the axle center of the fixing ring 4 is kept to coincide with the axle center of the main column 1, the stop blocks 11 at the upper ends of the steel cables 6 are clamped into the sliding grooves 10, secondly, the clamping grooves 8 on the pedals 5 are clamped into the annular grooves 7 on the main column 1, a plurality of pedals 5 are sequentially installed, the pedals 5 are spirally arranged in a gradient manner, then, the angle of the pedals 5 is adjusted by rotating, after the adjustment is finished, the fixing bolts 9 are screwed into the main column 1, the degree of freedom of the pedals 5 is limited, finally, the steel cable 6 is pulled to enable the stop blocks 11 to slide in the sliding grooves 10, the steel cable 6 is dragged to the other end of the pedals 5 and clamped into the empty avoidance grooves 12, the stop blocks 13 and the stop blocks 14 on the steel cable 6 are respectively positioned on the upper side and the lower side of the pedals 5, the stop blocks 13 and the stop blocks 14 are screwed to respectively abut against the bottom surfaces and the top surfaces of the pedals 5, the pedals 5 are sequentially finished, the assembly of the steel cable 6 and the pedals 5 is sequentially finished, and the rotatable pedals 5 are connected.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. High rotatory stair assembled design structure of factor of safety, its characterized in that: comprising the following steps:

the main column (1) is of a cylindrical structure, and the upper end and the lower end of the main column (1) are respectively and fixedly arranged on the wall top base layer (2) and the ground base layer (3);

the fixing ring (4) is fixedly arranged on the wall top base layer (2), and the fixing ring (4) is positioned around the main column (1);

one end of each pedal (5) is clamped on the main column (1), and the pedals (5) ascend in a spiral gradient along the main column (1);

the upper ends of the steel cables (6) are slidably connected to the fixed ring (4), the other ends of the steel cables (6) are connected with the other ends of the pedals (5), and the steel cables (6) are in one-to-one correspondence with the pedals (5).

2. The rotary stair assembly type design structure with high safety coefficient according to claim 1, wherein a plurality of annular grooves (7) are formed in the main column (1), clamping grooves (8) are formed in the pedals (5), and the clamping grooves (8) are clamped into the annular grooves (7).

3. The rotary stair assembly type design structure with high safety coefficient according to claim 2, wherein a fixing bolt (9) is screwed on the pedal (5), and the fixing bolt (9) is screwed on the main column (1).

4. The rotary stair assembly type design structure with high safety coefficient according to claim 1, wherein a chute (10) is formed in the fixed ring (4), a stop block (11) is fixedly connected to the upper end of the steel cable (6), and the stop block (11) is slidably connected in the chute (10).

5. The rotary stair assembly type design structure with high safety coefficient according to claim 4, wherein a clearance groove (12) is formed in the other end of the pedal (5), the steel cable (6) is clamped into the clearance groove (12), a stop piece (13) is screwed at the lower end of the steel cable (6), and the stop piece (13) abuts against the bottom surface of the pedal (5).

6. The high-safety rotary stair assembly type design structure according to claim 5, wherein a limiting piece (14) is screwed on the steel cable (6), and the limiting piece (14) abuts against the top surface of the pedal (5).

7. A stairway-fitting design structure with high safety factor according to claim 1, characterised in that the centre of the fixing ring (4) coincides with the centre of the main column (1).

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